Base | Representation |
---|---|
bin | 100100000110100… |
… | …1010111010100010 |
3 | 10010102111010000221 |
4 | 1020031022322202 |
5 | 4440110142010 |
6 | 320112433254 |
7 | 42006555535 |
oct | 11015127242 |
9 | 3112433027 |
10 | 1211412130 |
11 | 5718a0955 |
12 | 29984882a |
13 | 163c8ba16 |
14 | b6c60a1c |
15 | 71541dda |
hex | 4834aea2 |
1211412130 has 32 divisors (see below), whose sum is σ = 2196979200. Its totient is φ = 480927552.
The previous prime is 1211412121. The next prime is 1211412173. The reversal of 1211412130 is 312141121.
It is a super-3 number, since 3×12114121303 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 929059 + ... + 930361.
It is an arithmetic number, because the mean of its divisors is an integer number (68655600).
Almost surely, 21211412130 is an apocalyptic number.
1211412130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1211412130 is a deficient number, since it is larger than the sum of its proper divisors (985567070).
1211412130 is a wasteful number, since it uses less digits than its factorization.
1211412130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1938.
The product of its (nonzero) digits is 48, while the sum is 16.
The square root of 1211412130 is about 34805.3462847305. The cubic root of 1211412130 is about 1066.0166124927.
Adding to 1211412130 its reverse (312141121), we get a palindrome (1523553251).
The spelling of 1211412130 in words is "one billion, two hundred eleven million, four hundred twelve thousand, one hundred thirty".
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